\documentclass{article}

\usepackage{pgfplots}

\pgfplotsset{compat=1.5}

% \usetikzlibrary{}
% \usepgfplotslibrary{}

\begin{document}

\begin{tikzpicture}
\begin{axis}[
	title=Interrupted data plot]

	\addplot coordinates {
		(0,0) (10,50) (20,100) (30,200) 

		(50,600) (60,800) (80,1000)
	};
\end{axis}
\end{tikzpicture}

\end{document}

